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Novel Analogs of m-Chlorophenylguanidine as 5-HT3 Receptor Ligands

Serotonin receptors play a variety of functional roles in the body. Some indications and treatment claims for one of the classes of serotonin receptors, the 5-HT3 receptor family, include: anxiety, depression, chemotherapy- and radiation-induced emesis, constipation, irritable bowel syndrome, pain, drug addiction, and satiety control. A 5-HT3 receptor partial agonist, MD-354, served as a lead compound in the development of new 5-HT3 receptor ligands. Using halogenated analogs the study investigated their effect on binding to the 5-HT3 receptor. Conformationally-constrained analogs (quinazolines) were shown to be a novel class of 5-HT3 receptor antagonists. The log P values were determined for several analogs, and indicated that these ligands should be able to penetrate the blood-brain barrier. A homology model of the 5-HT3 receptor was built and the docking modes were assessed for these two series. Quinazolines were investigated for antidepressant properties using the mouse tail suspension test, and were shown to possess antidepressant-like activity.

Identiferoai:union.ndltd.org:vcu.edu/oai:scholarscompass.vcu.edu:etd-2733
Date01 May 2009
CreatorsAlix, Katie
PublisherVCU Scholars Compass
Source SetsVirginia Commonwealth University
Detected LanguageEnglish
Typetext
Formatapplication/pdf
SourceTheses and Dissertations
Rights© The Author

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